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Finding the Fourth Proportional to 370,774.64, 556,242.96 and 134,092.64

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Solution

The fourth proportional to 370,774.64, 556,242.96 and 134,092.64 is: 201,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,774.64 : 556,242.96 = 134,092.64 : x
  2. Step 2: Convert to fraction form
    370,774.64/556,242.96 = 134,092.64/x
  3. Step 3: Cross multiply
    370,774.64x = 556,242.96 × 134,092.64
  4. Step 4: Simplify right side
    370,774.64x = 74,588,086,987.81
  5. Step 5: Solve for x
    x = 74,588,086,987.81/370,774.64
  6. Step 6: Final answer
    x = 201,168.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.